Read this "high-octane thriller" that "calls to mind...Jeffery Deaver and Alfred Hitchcock" and questions everything that you have ever saved on your phone (Mys

'A highly original, gripping read that didn't let up until the final pages' CASS GREEN 'A brilliant premise' ROZ WATKINS When a group of urban explorers stumble

Everyone Has Something To Hide. . . The virile, all-American husband. The brainy golden girl. The happily-wed bi-coastal couple. Someone Is Watching. . . Someon

The New York Times bestselling author of The Monogram Murders and Woman with a Secret returns with a disturbing tale of psychological suspense and obsession tha